Inventor
IKETANI KOUHEI
JP7 patents
⚠️ This page may combine multiple inventors who share the name “IKETANI KOUHEI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ASAHI OPTICAL CO LTD
4 patentsUS6154248ANov 28, 2000
Electronic endoscope
ASAHI OPTICAL CO LTD56 citations95
US5877802AMar 2, 1999
Video-signal processing device connectable to an electronic endoscope
ASAHI OPTICAL CO LTD49 citations92
US5350995ASep 27, 1994
Battery charger for charging both a frequently and infrequently used battery
ASAHI OPTICAL CO LTD27 citations91
US6466256B1Oct 15, 2002
Video-signal processing device connectable to an electronic endoscope
ASAHI OPTICAL CO LTD11 citations73
PENTAX CORP
3 patentsUS6900829B1May 31, 2005
Electronic endoscope system for reducing random noise of a video signal
PENTAX CORP140 citations97
US6567114B2May 20, 2003
Video-signal processing device connectable to an electronic endoscope
PENTAX CORP71 citations95
US6753901B1Jun 22, 2004
Video-signal processing device connectable to an electronic endoscope
PENTAX CORP21 citations92